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Querying Microsoft SQL Server 2012 Certification Exam

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Microsoft 70-461 Free Practice Questions

Q1. A table named Profits stores the total profit made each year within a territory. The Profits table has columns named Territory, Year, and Profit. 

You need to create a report that displays the profits made by each territory for each year and its previous year. 

Which Transact-SQL query should you use? 

A. SELECT Territory, Year, Profit, LEAD(Profit, 1, 0) OVER (PARTITION BY Territory ORDER BY Year) AS PrevProfit FROM Profits 

B. SELECT Territory, Year, Profit, LAG(Profit, 1, 0) OVER (PARTITION BY Year ORDER BY Territory) AS PrevProfit FROM Profits 

C. SELECT Territory, Year, Profit, LAG(Profit, 1, 0) OVER (PARTITION BY Territory ORDER BY Year) AS PrevProfit FROM Profits 

D. SELECT Territory, Year, Profit, LEAD(Profit, 1, 0) OVER (PARTITION BY Year ORDER BY Territory) AS PrevProfit FROM Profits 

Answer:

Q2. You administer a database that includes a table named Customers that contains more than 750 rows. You create a new column named PartitionNumber of the int type in the table. 

You need to assign a PartitionNumber for each record in the Customers table.You also need to ensure that the PartitionNumber satisfies the following conditions: 

. Always starts with 1. 

. Starts again from 1 after it reaches 100. 

Which Transact-SQL statement should you use? 

A. CREATE SEQUENCE CustomerSequence AS int START WITH 0 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence DROP SEQUENCE CustomerSequence 

B. CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 CYCLE UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence DROP SEQUENCE CustomerSequence 

C. CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence + 1 DROP SEQUENCE CustomerSequence 

D. CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 0 MAXVALUE 100 CYCLE UPTATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence DROP SEQUENCE CustomerSequence 

Answer:

Q3. Your database contains two tables named DomesticSalesOrders and InternationalSalesOrders. Both tables contain more than 100 million rows. Each table has a Primary Key column named SalesOrderId. The data in the two tables is distinct from one another. 

Business users want a report that includes aggregate information about the total number of global sales and total sales amounts. 

You need to ensure that your query executes in the minimum possible time. 

Which query should you use? 

A. SELECT COUNT(*) AS NumberOfSales, SUM(SalesAmount) AS TotalSalesAmount FROM ( SELECT SalesOrderId, SalesAmount FROM DomesticSalesOrders UNION ALL SELECT SalesOrderId, SalesAmount FROM InternationalSalesOrders ) AS p 

B. SELECT COUNT(*) AS NumberOfSales, SUM(SalesAmount) AS TotalSalesAmount FROM ( SELECT SalesOrderId, SalesAmount FROM DomesticSalesOrders UNION SELECT SalesOrderId, SalesAmount FROM InternationalSalesOrders ) AS p 

C. SELECT COUNT(*) AS NumberOfSales, SUM(SalesAmount) AS TotalSalesAmount FROM DomesticSalesOrders UNION SELECT COUNT(*) AS NumberOfSales, SUM(SalesAmount) AS TotalSalesAmount FROM InternationalSalesOrders 

D. SELECT COUNT(*) AS NumberOfSales, SUM(SalesAmount) AS TotalSalesAmount FROM DomesticSalesOrders UNION ALL SELECT COUNT(*) AS NumberOfSales, SUM(SalesAmount) AS TotalSalesAmount FROM InternationalSalesOrders 

Answer:

Q4. DRAG DROP 

You create a view based on the following statement: 

You grant the Select permission to User1 for this view. 

You need to change the view so that it displays only the records that were processed in the month prior to the current month. You need to ensure that after the changes, the view functions correctly for User1. 

Which four Transact-SQL statements should you use? (To answer, move the appropriate SQL statements from the list of statements to the answer area and arrange them in the correct order.) 

Answer:  

Q5. A table named Profits stores the total profit made each year within a territory. The Profits table has columns named Territory, Year, and Profit. You need to create a report that displays the profits made by each territory for each year and its preceding year. Which Transact-SQL query should you use? 

A. SELECT Territory, Year, Profit, LAG(Profit, 1, 0) OVER(PARTITION BY Year ORDER BY Territory) AS NextProfit FROM Profits 

B. SELECT Territory, Year, Profit, LAG(Profit, 1, 0) OVER(PARTITION BY Territory ORDER BY Year) AS NextProfit FROM Profits 

C. SELECT Territory, Year, Profit, LEAD(Profit, 1, 0) OVER(PARTITION BY Territory ORDER BY Year) AS NextProfit FROM Profits 

D. SELECT Territory, Year, Profit, LEAD(Profit, 1, 0) OVER(PARTITION BY Year ORDER BY Territory) AS NextProfit FROM Profits 

Answer:

Q6. You administer a Microsoft SQL Server database named Sales. The database is 3 terabytes in size. The Sales database is configured as shown in the following table. 

You discover that Sales_2.ndf is corrupt. You need to recover the corrupted data in the minimum amount of time. What should you do? 

A. Perform a file restore. 

B. Perform a transaction log restore. 

C. Perform a restore from a full backup. 

D. Perform a filegroup restore. 

Answer:

Q7. You develop a Microsoft SQL Server 2012 database. You need to create a batch process that meets the following requirements: 

. Status information must be logged to a status table. 

. If the status table does not exist at the beginning of the batch, it must be created. 

Which object should you use? 

A. Scalar user-defined function 

B. Inline user-defined function 

C. Table-valued user-defined function 

D. Stored procedure 

Answer:

Q8. You use Microsoft SQL Server 2012 to develop a database application. You need to create an object that meets the following requirements: 

Takes an input variable 

Returns a table of values 

Cannot be referenced within a view 

Which object should you use? 

A. Scalar-valued function 

B. Inline function 

C. User-defined data type 

D. Stored procedure 

Answer:

Q9. You administer a Microsoft SQL Server 2012 database. 

The database contains a table named Employee. Part of the Employee table is shown in the exhibit. (Click the Exhibit button.) 

Unless stated above, no columns in the Employee table reference other tables. 

Confidential information about the employees is stored in a separate table named EmployeeData. One record exists within EmployeeData for each record in the Employee table. 

You need to assign the appropriate constraints and table properties to ensure data integrity and visibility. 

On which column in the Employee table should you create a Primary Key constraint for this table? 

A. DateHired 

B. Departments 

C. EmployeeID 

D. EmployeeNum 

E. FirstName 

F. JobTitle 

G. LastName 

H. MiddleName 

I. ReportsToID 

Answer:

Q10. You have a Microsoft SQL Server 2012 database that contains tables named Customers and Orders. 

The tables are related by a column named CustomerID. 

You need to create a query that meets the following requirements: 

. Returns the CustomerName for all customers and the OrderDate for any orders that they have placed. . Results must include customers who have not placed any orders. 

Which Transact-SQL query should you use? 

A. SELECT CustomerName, OrderDate FROM Customers RIGHT OUTER JOIN Orders ON Customers.CustomerID = Orders.CustomerID 

B. SELECT CustomerName, CrderDate FROM Customers JOIN Orders ON Customers.CustomerID = Orders.CustomerID 

C. SELECT CustomerName, OrderDate FROM Customers CROSS JOIN Orders ON Customers.CustomerID = Orders.CustomerID 

D. SELECT CustomerName, OrderDate FROM Customers LEFT OUTER JOIN Orders ON Customers.CustomerID = Orders.CustomerID 

Answer:

Q11. You are a database developer of a Microsoft SQL Server 2012 database. 

You are designing a table that will store Customer data from different sources. The table will include a column that contains the CustomerID from the source system and a column that contains the SourceID. 

A sample of this data is as shown in the following table. 

You need to ensure that the table has no duplicate CustomerID within a SourceID. You also need to ensure that the data in the table is in the order of SourceID and then CustomerID. 

Which Transact- SQL statement should you use? 

A. CREATE TABLE Customer 

(SourceID int NOT NULL IDENTITY, 

CustomerID int NOT NULL IDENTITY, 

CustomerName varchar(255) NOT NULL); 

B. CREATE TABLE Customer 

(SourceID int NOT NULL, 

CustomerID int NOT NULL PRIMARY KEY CLUSTERED, 

CustomerName varchar(255) NOT NULL); 

C. CREATE TABLE Customer 

(SourceID int NOT NULL PRIMARY KEY CLUSTERED, 

CustomerID int NOT NULL UNIQUE, 

CustomerName varchar(255) NOT NULL); 

D. CREATE TABLE Customer 

(SourceID int NOT NULL, 

CustomerID int NOT NULL, 

CustomerName varchar(255) NOT NULL, 

CONSTRAINT PK_Customer PRIMARY KEY CLUSTERED 

(SourceID, CustomerID)); 

Answer:

Q12. You administer a Microsoft SQL Server 2012 database named ContosoDb. Tables are defined as shown in the exhibit. (Click the Exhibit button.) 

You need to display rows from the Orders table for the Customers row having the 

CustomerId value set to 1 in the following XML format. 

<CUSTOMERS Name="Customer A" Country="Australia"> 

<ORDERS OrderID="1" OrderDate="2001-01-01" Amount="3400.00" /> 

<ORDERS OrderID="2" OrderDate="2002-01-01" Amount="4300.00" /> 

</CUSTOMERS> 

Which Transact-SQL query should you use? 

A. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers.CustomerId WHERE Customers.CustomerId = 1 FOR XML RAW 

B. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers.CustomerId WHERE Customers.CustomerId = 1 FOR XML RAW, ELEMENTS 

C. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers.CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO 

D. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId - Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML AUTO, ELEMENTS 

E. SELECT Name, Country, OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML AUTO 

F. SELECT Name, Country, Orderld, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML AUTO, ELEMENTS 

G. SELECT Name AS '@Name', Country AS '@Country', OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML PATH ('Customers') 

H. SELECT Name AS 'Customers/Name', Country AS 'Customers/Country', OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId= Customers.CustomerId WHERE Customers.CustomerId= 1 FOR XML PATH ('Customers') 

Answer:

Q13. Your database contains tables named Products and ProductsPriceLog. The Products table contains columns named ProductCode and Price. The ProductsPriceLog table contains columns named ProductCode, OldPrice, and NewPrice. 

The ProductsPriceLog table stores the previous price in the OldPrice column and the new price in the NewPrice column. 

You need to increase the values in the Price column of all products in the Products table by 5 percent. You also need to log the changes to the ProductsPriceLog table. 

Which Transact-SQL query should you use? 

A. UPDATE Products SET Price = Price * 1.05 

OUTPUT inserted.ProductCode, deleted.Price, inserted.Price 

INTO ProductsPriceLog(ProductCode, OldPrice, NewPrice) 

B. UPDATE Products SET Price = Price * 1.05 

OUTPUT inserted.ProductCode, inserted.Price, deleted.Price 

INTO ProductsPriceLog(ProductCode, OldPrice, NewPrice) 

C. UPDATE Products SET Price = Price * 1.05 

OUTPUT inserted.ProductCode, deleted.Price, inserted.Price * 

INTO ProductsPriceLog(ProductCode, OldPrice, NewPrice) 

D. UPDATE Products SET Price = Price * 1.05 

INSERT INTO ProductsPriceLog (ProductCode, CldPnce, NewPrice; 

SELECT ProductCode, Price, Price * 1.05 FROM Products 

Answer:

Q14. You create a table that has the StudentCode, SubjectCode, and Marks columns to record mid-year marks for students. The table has marks obtained by 50 students for various subjects. 

You need to ensure that the following requirements are met: 

Students must be ranked based on their average marks. 

If one or more students have the same average, the same rank must be given to 

these students. 

Consecutive ranks must be skipped when the same rank is assigned. 

Which Transact-SQL query should you use? 

A. SELECT StudentCode as Code, RANK() OVER(ORDER BY AVG (Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode 

B. SELECT Id, Name, Marks, DENSE_RANK() OVER(ORDER BY Marks DESC) AS Rank FROM StudentMarks 

C. SELECT StudentCode as Code, DENSE_RANK() OVER(ORDER BY AVG (Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode 

D. SELECT StudentCode as Code, NTILE(2) OVER(ORDER BY AVG (Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode 

E. SELECT StudentCode AS Code,Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY SubjectCode ORDER BY Marks ASC) AS Rank FROM StudentMarks) tmp WHERE Rank = 1 

F. SELECT StudentCode AS Code,Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY SubjectCode ORDER BY Marks DESC) AS Rank FROM StudentMarks) tmp WHERE Rank = 1 

G. SELECT StudentCode AS Code,Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY StudentCode ORDER BY Marks ASC) AS Rank FROM StudentMarks) tmp WHERE Rank = 1 

H. SELECT StudentCode AS Code,Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANXO OVER(PARTITION BY StudentCode ORDER BY Marks DESC) AS Rank FROM StudentMarks) tmp WHERE Rank = 1 

Answer:

Q15. You administer a Microsoft SQL Server database that supports a shopping application. 

You need to retrieve a list of customers who live in territories that do not have a sales person. 

Which Transact- SQL query or queries should you use? (Each correct answer presents a complete solution. Choose all that apply.) 

A. SELECT CustomerID FROM Customer 

WHERE TerritoryID <> SOME(SELECT TerritoryID FROM Salesperson) 

B. SELECT CustomerID FROM Customer 

WHERE TerritoryID <> ALL(SELECT TerritoryID FROM Salesperson) 

C. SELECT CustomerID FROM Customer 

WHERE TerritoryID <> ANY(SELECT TerritoryID FROM Salesperson) 

D. SELECT CustomerID FROM Customer 

WHERE TerritoryID NOT IN(SELECT TerritoryID FROM Salesperson) 

Answer: B,D 

Q16. You are a database developer for an application hosted on a Microsoft SQL Server 2012 server. 

The database contains two tables that have the following definitions: 

Global customers place orders from several countries. 

You need to view the country from which each customer has placed the most orders. 

Which Transact-SQL query do you use? 

A. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM Customer c INNER JOIN (SELECT CustomerID, ShippingCountry, RANK() OVER (PARTITION BY CustomerID ORDER BY COUNT(OrderAmount) DESC) AS Rnk FROM Orders GROUP BY CustomerID, ShippingCountry) AS o ON c.CustomerID = o.CustomerID WHERE o.Rnk = 1 

B. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM (SELECT c.CustomerID, c.CustomerName, o.ShippingCountry, RANK() OVER (PARTITION BY CustomerID ORDER BY COUNT(o.OrderAmount) ASC) AS Rnk FROM Customer c INNER JOIN Orders o ON c.CustomerID = o.CustomerID GROUP BY c.CustomerID, c.CustomerName, o.ShippingCountry) cs WHERE Rnk = 1 

C. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM Customer c INNER JOIN (SELECT CustomerID, ShippingCountry, RANK() OVER (PARTITION BY CustomerID ORDER BY OrderAmount DESC) AS Rnk FROM Orders GROUP BY CustomerID, ShippingCountry) AS o ON c.CustomerID = o.CustomerID WHERE o.Rnk = 1 

D. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM Customer c INNER JOIN (SELECT CustomerID, ShippingCountry, COUNT(OrderAmount) DESC) AS OrderAmount FROM Orders GROUP BY CustomerID, ShippingCountry) AS o ON c.CustomerID = o.CustomerID ORDER BY OrderAmount DESC 

Answer:

Q17. You administer a Microsoft SQL Server 2012 database that contains a table named OrderDetail. You discover that the NCI_OrderDetail_CustomerID non-clustered index is fragmented. You need to reduce fragmentation. 

You need to achieve this goal without taking the index offline. Which Transact-SQL batch should you use? 

A. CREATE INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID WITH DROP EXISTING 

B. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REORGANIZE 

C. ALTER INDEX ALL ON OrderDetail REBUILD 

D. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REBUILD 

Answer:

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